Early in the morning of October 6, 2008, astronomers at the University of Arizona detected an asteroid on a collision course with Earth. When other sightings cropped up across the world, the ...

A peer-reviewed study published in the journal Geology proposes that the same asteroid strike that carved Arizona’s Meteor Crater roughly 50,000 years ago also triggered a massive landslide inside the ...

NASA confirmed a loud boom in Cleveland was a meteor from an asteroid that broke apart over Ohio and Pennsylvania, with ...

Asteroid impacts may have helped kick-start life on Earth by creating hot, chemical-rich environments ideal for early biology. These impact-generated hydrothermal systems could have lasted thousands ...

When high-velocity asteroids land on Earth, they can form a meteor impact crater. Such collisions have occurred throughout Earth's history and still occur on other planetary bodies today. While most ...

After a catastrophic asteroid impact 78 million years ago, life didn't just survive—it thrived, at least according to new research that provides the first direct evidence of microbial life ...

Geology is full of detective stories about the Earth's history, and a new paper in Geology by University of New Mexico Distinguished Professors Emeritus Karl Karlstrom and Laurie Crossey, along with ...

One of the most complex machines humankind has ever built tracked an almost invisible object many millions of kilometres away, and then accurately predicted its position almost seven years into the ...

Here’s what you’ll learn when you read this story: In its 4.6-billion-year history, Earth has had some truly catastrophic run-ins with ancient celestial bodies. None rival the cataclysmic collision ...

This piece is part of a special project on deep time examining what the Western U.S. was like thousands, millions and even billions of years ago, and how that history is still visible and ...